The trademarks mentioned in this manual are legally registered to their respective owners.
Disclaimer
Information in this manual is protected by copyright laws and is the property of GIGABYTE.
Changes to the specications and features in this manual may be made by GIGABYTE with-
out prior notice. No part of this manual may be reproduced, copied, translated, transmitted, or
published in any form or by any means without GIGABYTE's prior written permission.
Documentation Classications
In order to assist in the use of this product, GIGABYTE provides the following types of documentations:
For quick set-up of the product, read the Quick Installation Guide included with the product.
For detailed product information, carefully read the User's Manual.
For instructions on how to use GIGABYTE's unique features, read or download the information
on/from the Support&Downloads\Motherboard\Technology Guide page on our website.
For product-related information, check on our website at:
http://www.gigabyte.com
Identifying Your Motherboard Revision
The revision number on your motherboard looks like this: "REV: X.X." For example, "REV: 1.0"
means the revision of the motherboard is 1.0. Check your motherboard revision before updating
motherboard BIOS, drivers, or when looking for technical information.
• The box contents above are for reference only and the actual items shall depend on the product package you obtain.
The box contents are subject to change without notice.
• The motherboard image is for reference only.
Optional Items
Floppy disk drive cable (Part No. 12CF1-1FD001-7*R)
2-port USB 2.0 bracket (Part No. 12CR1-1UB030-5*R)
2-port SATA power cable (Part No. 12CF1-2SERPW-0*R)
S/PDIF In cable (Part No. 12CR1-1SPDIN-0*R)
- 6 -
GA-M52L-S3P Motherboard Layout
ATX_12V
KB_MS
COAXIAL
COMA
R_USB
USB_LAN
AUDIO
Realtek
RTL8201
CODEC
CD_IN
LPT
F_AUDIO
SPDIF_O
SPDIF_I
iTE
IT8720
B_BIOSM_BIOS
CPU_FAN
PCIEX16
PCIEX1_1
PCIEX1_2
PCI1
PCI2
PCI3
PCI4
GA-M52L-S3P
CLR_CMOS
BATTERY
FDD
Socket AM2
BAT
SYS_FAN
®
NVIDIA
nForce 520LE
F_PANEL
DDR2_1
DDR2_2
DDR2_3
F_USB2
PWR_FAN
ATX
DDR2_4
IDE
F_USB1
SATA2_1
SATA2_0
- 7 -
GA-M52L-S3P Motherboard Block Diagram
CPU CLK+/- (200 MHz)
PCIe CLK
(100 MHz)
1 PCI Express x16
PCI Express Bus
x1x1
PCIe CLK
(100 MHz)
2 PCI Express x1
2 SATA 3Gb/s
ATA-133/100/66/33 IDE Channel
PCI Bus
AM3/AM2+/AM2
CPU
Hyper Transport
®
NVIDIA
nForce 520LE
CODEC
LPC
Bus
DDR2 1066/800 MHz
Dual Channel Memory
RJ45
Realtek
RTL8201
8 USB Ports
iTE
IT8720
LAN
Dual BIOS
Floppy
COM Port
LPT Port
PCI CLK
(33 MHz)
4 PCI
MIC
Line In
Line Out
S/PDIF In
S/PDIF Out
Side Speaker Out
Surround Speaker Out
Center/Subwoofer Speaker Out
- 8 -
PS/2 KB/Mouse
Chapter 1 Hardware Installation
1-1 Installation Precautions
The motherboard contains numerous delicate electronic circuits and components which can
become damaged as a result of electrostatic discharge (ESD). Prior to installation, carefully read
the user's manual and follow these procedures:
• Prior to installation, do not remove or break motherboard S/N (Serial Number) sticker or
warranty sticker provided by your dealer. These stickers are required for warranty validation.
• Always remove the AC power by unplugging the power cord from the power outlet before
installing or removing the motherboard or other hardware components.
• When connecting hardware components to the internal connectors on the motherboard,
make sure they are connected tightly and securely.
• When handling the motherboard, avoid touching any metal leads or connectors.
• It is best to wear an electrostatic discharge (ESD) wrist strap when handling electronic com-
ponents such as a motherboard, CPU or memory. If you do not have an ESD wrist strap,
keep your hands dry and rst touch a metal object to eliminate static electricity.
• Prior to installing the motherboard, please have it on top of an antistatic pad or within an
electrostatic shielding container.
• Before unplugging the power supply cable from the motherboard, make sure the power sup-
ply has been turned off.
• Before turning on the power, make sure the power supply voltage has been set according to
the local voltage standard.
• Before using the product, please verify that all cables and power connectors of your hard-
ware components are connected.
• To prevent damage to the motherboard, do not allow screws to come in contact with the
motherboard circuit or its components.
• Make sure there are no leftover screws or metal components placed on the motherboard or
within the computer casing.
• Do not place the computer system on an uneven surface
• Do not place the computer system in a high-temperature environment.
• Turning on the computer power during the installation process can lead to damage to sys-
tem components as well as physical harm to the user.
• If you are uncertain about any installation steps or have a problem related to the use of the
product, please consult a certied computer technician.
.
- 9 -Hardware Installation
1-2 Product Specications
CPU Support for AM3/AM2+/AM2 processors:
AMD Phenom™ II processor/ AMD Phenom™ processor/
AMD Athlon™ II processor/ AMD Athlon™ processor/
AMD Sempron™ processor
(Go to GIGABYTE's website for the latest CPU support list.)
Hyper Transport Bus 2000 MT/s
Chipset
Memory 4 x 1.8V DDR2 DIMM sockets supporting up to 16 GB of system memory
NVIDIA® nForce 520LE
(Note 1)
Dual channel memory architecture
Support for DDR2 1066/800 MHz memory modules
(Go to GIGABYTE's website for the latest supported memory speeds and
memory modules.)
Audio
High Denition Audio
2/4/5.1/7.1-channel
Realtek ALC892 codec
Support for S/PDIF In/Out
Support for CD In
LAN Realtek RTL8201 chip (10/100 Mbit)
Expansion Slots 1 x PCI Express x16 slot, running at x16
2 x PCI Express x1 slots
4 x PCI slots
Storage Interface Chipset:
- 1 x IDE connector supporting ATA-133/100/66/33 and up to 2 IDE devices
- 2 x SATA 3Gb/s connectors supporting up to 2 SATA 3Gb/s devices
- Support for SATA RAID 0 and RAID 1
iTE IT8720 chip:
- 1 x oppy disk drive connector supporting up to 1 oppy disk drive
USB Chipset
- Up to 8 USB 2.0/1.1 ports (4 on the back panel, 4 via the USB brackets
connected to the internal USB headers)
Internal 1 x 24-pin ATX main power connector
Connectors 1 x 4-pin ATX 12V power connector
1 x oppy disk drive connector
1 x IDE connector
2 x SATA 3Gb/s connectors
1 x CPU fan header
1 x system fan header
1 x power fan header
1 x front panel header
1 x front panel audio header
1 x CD In connector
1 x S/PDIF In header
Hardware Installation- 10 -
Internal 1 x S/PDIF Out header
Connectors 2 x USB 2.0/1.1 headers
1 x clearing CMOS jumper
Back Panel
1 x PS/2 keyboard port
Connectors 1 x PS/2 mouse port
1 x coaxial S/PDIF Out connector
1 x parallel port
1 x serial port
4 x USB 2.0/1.1 ports
1 x RJ-45 port
6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/
Side Speaker Out/Line In/Line Out/Microphone)
I/O Controller iTE IT8720 chip
Hardware Monitor System voltage detection
CPU/System temperature detection
CPU/System fan speed detection
CPU/System overheating warning
CPU/System fan fail warning
CPU/System fan speed control
(Note 2)
BIOS 2 x 8 Mbit ash
Use of licensed AWARD BIOS
Support for DualBIOS
™
PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b
Unique Features Support for @BIOS
Support for Q-Flash
Support for Xpress BIOS Rescue
Support for Download Center
Support for Xpress Install
Support for Xpress Recovery2
Support for EasyTune
Support for Auto Green
Support for ON/OFF Charge
(Note 3)
Bundled Software Norton Internet Security (OEM version)
Operating System Support for Microsoft® Windows® 7/Vista/XP
Form Factor ATX Form Factor; 30.5cm x 21.6cm
(Note 1) Due to Windows 32-bit operating system limitation, when more than 4 GB of physical memory is
installed, the actual memory size displayed will be less than 4 GB.
(Note 2) Whether the CPU/system fan speed control function is supported will depend on the CPU/system
cooler you install.
(Note 3) Available functions in EasyTune may differ by motherboard model.
- 11 -Hardware Installation
1-3 Installing the CPU and CPU Cooler
Read the following guidelines before you begin to install the CPU:
• Make sure that the motherboard supports the CPU.
(Go to GIGABYTE's website for the latest CPU support list.)
• Always turn off the computer and unplug the power cord from the power outlet before installing
the CPU to prevent hardware damage.
• Locate the pin one of the CPU. The CPU cannot be inserted if oriented incorrectly. (Or you may
locate the notches on both sides of the CPU and alignment keys on the CPU socket.)
• Apply an even and thin layer of thermal grease on the surface of the CPU.
• Do not turn on the computer if the CPU cooler is not installed, otherwise overheating and dam-
age of the CPU may occur.
• Set the CPU host frequency in accordance with the CPU specications. It is not recommended
that the system bus frequency be set beyond hardware specications since it does not meet the
standard requirements for the peripherals. If you wish to set the frequency beyond the standard
specications, please do so according to your hardware specications including the CPU, graphics card, memory, hard drive, etc.
1-3-1 Installing the CPU
A. Locate the pin one (denoted by a small triangle) of the CPU socket and the CPU.
A Smal l Triangle Mark
Denotes Pin One of the
Socket
AM2 Socket
A Small Triangle Marking
Denotes CPU Pin One
Hardware Installation- 12 -
AM3/AM2+/AM2 CPU
B. Follow the steps below to correctly install the CPU into the motherboard CPU socket.
• Before installing the CPU, make sure to turn off the computer and unplug the power cord from the
power outlet to prevent damage to the CPU.
• Do not force the CPU into the CPU socket. The CPU cannot t in if oriented incorrectly. Adjust the
CPU orientation if this occurs.
Step 1:
CPU Socket
Locking Lever
Completely lift up the CPU socket locking lever.
Step 2:
Align the CPU pin one (small triangle marking) with the triangle mark
on the CPU socket and gently insert the CPU into the socket. Make
sure that the CPU pins t perfectly into their holes. Once the CPU is
positioned into its socket, place one nger down on the middle of the
CPU, lowering the locking lever and latching it into the fully locked
position.
- 13 -Hardware Installation
1-3-2 Installing the CPU Cooler
Follow the steps below to correctly install the CPU cooler on the CPU. (The following procedure uses the
GIGABYTE cooler as the example.)
Step 1:
Apply an even and thin layer of thermal grease
on the surface of the installed CPU.
Step 3:
Hook the CPU cooler clip to the mounting lug
on one side of the retention frame. On the other
side,push straight down on the the CPU cooler
clip to hook it to the mounting lug on the retention frame.
Step 5:
Finally, attach the power connector of the CPU cooler to the CPU
fan header (CPU_FAN) on the motherboard.
Step 2:
Place the CPU cooler on the CPU.
Step 4:
Turn the cam handle from the left side to the
right side (as the picture above shows) to lock
into place. (Refer to your CPU cooler installation
manual for instructions on installing the cooler.)
Use extreme care when removing the CPU cooler because the thermal grease/tape between the
CPU cooler and CPU may adhere to the CPU. Inadequately removing the CPU cooler may damage
the CPU.
Hardware Installation- 14 -
1-4 Installing the Memory
Read the following guidelines before you begin to install the memory:
• Make sure that the motherboard supports the memory. It is recommended that memory of the
same capacity, brand, speed, and chips be used.
(Go to GIGABYTE's website for the latest memory support list.)
• Always turn off the computer and unplug the power cord from the power outlet before installing
the memory to prevent hardware damage.
• Memory modules have a foolproof design. A memory module can be installed in only one direction. If you are unable to insert the memory, switch the direction.
1-4-1 Dual Channel Memory Conguration
This motherboard provides four DDR2 memory sockets and supports Dual Channel Tech-
nology. After the memory is installed, the BIOS will automatically detect the specications
and capacity of the memory. Enabling Dual Channel memory mode will double the original
memory bandwidth.
The four DDR2 memory sockets are divided into two channels and each channel has two memory sockets as
following:
If two memory modules are to be installed, it is recommended that you install them in the DDR2_1 and
DDR2_2 sockets.
Due to CPU limitations, read the following guidelines before installing the memory in Dual Channel mode.
1. Dual Channel mode cannot be enabled if only one DDR2 memory module is installed.
2. When enabling Dual Channel mode with two or four memory modules, it is recommended that
memory of the same capacity, brand, speed, and chips be used and installed in the same colored
DDR2 sockets for optimum performance.
- 15 -Hardware Installation
1-4-2 Installing a Memory
Before installing a memory module, make sure to turn off the computer and unplug the power
cord from the power outlet to prevent damage to the memory module.
DDR2 DIMMs are not compatible to DDR DIMMs. Be sure to install DDR2 DIMMs on this moth-
erboard.
Notch
DDR2 DIMM
A DDR2 memory module has a notch, so it can only t in one direction. Follow the steps below to correctly
install your memory modules in the memory sockets.
Step 1:
Note the orientation of the memory module. Spread the retaining
clips at both ends of the memory socket. Place the memory module
on the socket. As indicated in the picture on the left, place your ngers on the top edge of the memory, push down on the memory and
insert it vertically into the memory socket.
Step 2:
The clips at both ends of the socket will snap into place when the
memory module is securely inserted.
Hardware Installation- 16 -
1-5 Installing an Expansion Card
Read the following guidelines before you begin to install an expansion card:
• Make sure the motherboard supports the expansion card. Carefully read the manual that came
with your expansion card.
• Always turn off the computer and unplug the power cord from the power outlet before installing
an expansion card to prevent hardware damage.
PCI Express x1 Slot
PCI Express x16 Slot
PCI Slot
Follow the steps below to correctly install your expansion card in the expansion slot.
1. Locate an expansion slot that supports your card. Remove the metal slot cover from the chassis back panel.
2. Align the card with the slot, and press down on the card until it is fully seated in the slot.
3. Make sure the metal contacts on the card are completely inserted into the slot.
4. Secure the card’s metal bracket to the chassis back panel with a screw.
5. After installing all expansion cards, replace the chassis cover(s).
6. Turn on your computer. If necessary, go to BIOS Setup to make any required BIOS changes for your
expansion card(s).
7. Install the driver provided with the expansion card in your operating system.
Example: Installing and Removing a PCI Express Graphics Card:
• Installing a Graphics Card:
Gently push down on the top edge of the card until
it is fully inserted into the PCI Express slot. Make
sure the card is securely seated in the slot and
does not rock.
• Removing the Card:
Gently push back on the lever on the slot and then lift the card straight out from
the slot.
- 17 -Hardware Installation
1-6 Back Panel Connectors
PS/2 Keyboard and PS/2 Mouse Port
Use the upper port (green) to connect a PS/2 mouse and the lower port (purple) to connect a PS/2 keyboard.
Parallel Port
Use the parallel port to connect devices such as a printer, scanner and etc. The parallel port is also
called a printer port.
Coaxial S/PDIF Out Connector
This connector provides digital audio out to an external audio system that supports digital coaxial audio.
Before using this feature, ensure that your audio system provides a coaxial digital audio in connector.
Serial Port
Use the serial port to connect devices such as a mouse, modem or other peripherals.
USB 2.0/1/1 Port
The USB port supports the USB 2.0/1.1 specication. Use this port for USB devices such as a USB key-
board/mouse, USB printer, USB ash drive and etc.
RJ-45 LAN Port
The Fast Ethernet LAN port provides Internet connection at up to 100 Mbps data rate. The following de-
scribes the states of the LAN port LEDs.
Activity LED:
State Description
Blinking Data transmission or receiving is occurring
Off No data transmission or receiving is occurring
LAN Port
Activity LEDConnection LED
Connection LED:
State Description
On LAN link is established
Off LAN link is not established
• When removing the cable connected to a back panel connector, rst remove the cable from your
device and then remove it from the motherboard.
• When removing the cable, pull it straight out from the connector. Do not rock it side to side to
prevent an electrical short inside the cable connector.
Hardware Installation- 18 -
Center/Subwoofer Speaker Out Jack (Orange)
Use this audio jack to connect center/subwoofer speakers in a 5.1/7.1-channel audio conguration.
Rear Speaker Out Jack (Black)
Use this audio jack to connect rear speakers in a 4/5.1/7.1-channel audio conguration.
Side Speaker Out Jack (Gray)
Use this audio jack to connect side speakers in a 7.1-channel audio conguration.
Line In Jack (Blue)
The default line in jack. Use this audio jack for line in devices such as an optical drive, walkman, etc.
Line Out Jack (Front Speaker Out, Green)
The default line out jack. Use this audio jack for a headphone or 2-channel speaker. This jack can be
used to connect front speakers in a 4/5.1-channel audio conguration.
Mic In Jack (Pink)
The default Mic in jack. Microphones must be connected to this jack.
In addition to the default speakers settings, the ~
form different functions via the audio software. Only microphones still MUST be connected to
the default Mic in jack ( ). Refer to the instructions on setting up a 2/4/5.1/7.1-channel audio
conguration in Chapter 5, "Conguring 2/4/5.1/7.1-Channel Audio."
audio jacks can be recongured to per-
- 19 -Hardware Installation
1-7 Internal Connectors
1
3
10
13
16
15
11
12
5
2
7
8
1) ATX_12V
2) ATX
3) CPU_FAN
4) SYS_FAN
5) PWR_FAN
6) FDD
7) IDE
8) SATA2_0/1
6
4
9) F_PANEL
10) F_AUDIO
11) CD_IN
12) SPDIF_I
13) SPDIF_O
14) F_USB1/F_USB2
15) CLR_CMOS
16) BAT
14
9
Read the following guidelines before connecting external devices:
• First make sure your devices are compliant with the connectors you wish to connect.
• Before installing the devices, be sure to turn off the devices and your computer. Unplug the
power cord from the power outlet to prevent damage to the devices.
• After installing the device and before turning on the computer, make sure the device cable has
been securely attached to the connector on the motherboard.
Hardware Installation- 20 -
1/2) ATX_12V/ATX (2x2 12V Power Connector and 2x12 Main Power Connector)
With the use of the power connector, the power supply can supply enough stable power to all the
components on the motherboard. Before connecting the power connector, rst make sure the power
supply is turned off and all devices are properly installed. The power connector possesses a foolproof
design. Connect the power supply cable to the power connector in the correct orientation. The 12V
power connector mainly supplies power to the CPU. If the 12V power connector is not connected, the
computer will not start.
To meet expansion requirements, it is recommended that a power supply that can withstand
high power consumption be used (500W or greater). If a power supply is used that does not
provide the required power, the result can lead to an unstable or unbootable system.
ATX_12V:
2
4
ATX_12V
1
3
Pin No. Denition
1 GND
2 GND
3 +12V
4 +12V
ATX
ATX:
2412
131
Pin No. Denition
1 3.3V
2 3.3V
3 GND
4 +5V
5 GND
6 +5V
7 GND
8 Power Good
9 5VSB (stand by +5V)
10 +12V
11 +12V (Only for 2x12-pin ATX)
12 3.3V (Only for 2x12-pin ATX)
Pin No. Denition
13 3.3V
14 -12V
15 GND
16 PS_ON (soft On/Off)
17 GND
18 GND
19 GND
20 -5V
21 +5V
22 +5V
23 +5V (Only for 2x12-pin ATX)
24 GND (Only for 2x12-pin ATX)
- 21 -Hardware Installation
3/4/5) CPU_FAN/SYS_FAN/PWR_FAN (Fan Headers)
The motherboard has a 4-pin CPU fan header (CPU_FAN), a 3-pin system fan header (SYS_FAN), and
a 3-pin power fan header (PWR_FAN). Most fan headers possess a foolproof insertion design. When
connecting a fan cable, be sure to connect it in the correct orientation (the black connector wire is the
ground wire). The motherboard supports CPU fan speed control, which requires the use of a CPU fan
with fan speed control design. For optimum heat dissipation, it is recommended that a system fan be
installed inside the chassis.
CPU_FAN:
Pin No. Denition
1 GND
2 +12V / Speed Control
3 Sense
4 Speed Control
SYS_FAN/PWR_FAN:
Pin No. Denition
1 GND
2 +12V / Speed Control
3 Sense
1
SYS_FAN
1
CPU_FAN
1
PWR_FAN
• Be sure to connect fan cables to the fan headers to prevent your CPU and system from overheating. Overheating may result in damage to the CPU or the system may hang.
• These fan headers are not conguration jumper blocks. Do not place a jumper cap on the
headers.
6) FDD (Floppy Disk Drive Connector)
This connector is used to connect a oppy disk drive. The types of oppy disk drives supported are:
360 KB, 720 KB, 1.2 MB, 1.44 MB, and 2.88 MB. Before connecting a oppy disk drive, be sure to locate
pin 1 of the connector and the oppy disk drive cable. The pin 1 of the cable is typically designated by
a stripe of different color. For purchasing the optional oppy disk drive cable, please contact the local
dealer.
Hardware Installation- 22 -
33
34
1
2
7) IDE (IDE Connector)
The IDE connector supports up to two IDE devices such as hard drives and optical drives. Before attach-
ing the IDE cable, locate the foolproof groove on the connector. If you wish to connect two IDE devices,
remember to set the jumpers and the cabling according to the role of the IDE devices (for example,
master or slave). (For information about conguring master/slave settings for the IDE devices, read the
instructions from the device manufacturers.)
40
39
2
1
8) SATA2_0/1 (SATA 3Gb/s Connectors)
The SATA connectors conform to SATA 3Gb/s standard and are compatible with SATA 1.5Gb/s standard.
Each SATA connector supports a single SATA device. The
RAID 0 and RAID 1. Refer to Chapter 5, "Conguring SATA Hard Drive(s)," for instructions on conguring a RAID array.
1
1
NVIDIA® nForce 520LE
SATA2_1
7
SATA2_0
7
controller supports
Pin No. Denition
1 GND
2 TXP
3 TXN
4 GND
5 RXN
6 RXP
7 GND
Please connect the L-shaped end of
th e SATA cable t o your SATA hard
drive.
A RAID 0 or RAID 1 conguration requires at least two hard drives.
- 23 -Hardware Installation
9) F_PANEL (Front Panel Header)
Connect the power switch, reset switch, speaker, chassis intrusion switch/sensor and system status
indicator on the chassis to this header according to the pin assignments below. Note the positive and
negative pins before connecting the cables.
Connects to the power status indicator on the chassis front panel. The LED
is on when the system is operating. The LED keeps blinking when the system is in S1 sleep state. The LED is off when the system is in S3/S4 sleep
state or powered off (S5).
•PW (Power Switch, Red):
Connects to the power switch on the chassis front panel. You may congure the way to turn off your
system using the power switch (refer to Chapter 2, "BIOS Setup," "Power Management Setup," for
more information).
•SPEAK (Speaker, Orange):
Connects to the speaker on the chassis front panel. The system reports system startup status by is-
suing a beep code. One single short beep will be heard if no problem is detected at system startup. If
a problem is detected, the BIOS may issue beeps in different patterns to indicate the problem. Refer
to Chapter 5, "Troubleshooting," for information about beep codes.
•HD (Hard Drive Activity LED, Blue)
Connects to the hard drive activity LED on the chassis front panel. The LED is on when the hard drive
is reading or writing data.
•RES (Reset Switch, Green):
Connects to the reset switch on the chassis front panel. Press the reset switch to restart the computer
if the computer freezes and fails to perform a normal restart.
•CI (Chassis Intrusion Header, Gray):
Connects to the chassis intrusion switch/sensor on the chassis that can detect if the chassis cover
has been removed. This function requires a chassis with a chassis intrusion switch/sensor.
The front panel design may differ by chassis. A front panel module mainly consists of power
switch, reset switch, power LED, hard drive activity LED, speaker and etc. When connecting your
chassis front panel module to this header, make sure the wire assignments and the pin assignments are matched correctly.
Hardware Installation- 24 -
10) F_AUDIO (Front Panel Audio Header)
The front panel audio header supports Intel High Denition audio (HD) and AC'97 audio. You may connect
your chassis front panel audio module to this header. Make sure the wire assignments of the module connector match the pin assignments of the motherboard header. Incorrect connection between the module
connector and the motherboard header will make the device unable to work or even damage it.
For HD Front Panel Audio: For AC'97 Front Panel Audio:
2
1
1 MIC2_L
2 GND
9
3 MIC2_R
4 -ACZ_DET
5 LINE2_R
6 GND
7 FAUDIO_JD
8 No Pin
9 LINE2_L
10 GND
Pin No. Denition
10
• The front panel audio header supports HD audio by default. If your chassis provides an AC'97
front panel audio module, refer to the instructions on how to activate AC'97 functionality via
the audio software in Chapter 5, "Conguring 2/4/5.1/7.1-Channel Audio."
• Audio signals will be present on both of the front and back panel audio connections simultaneously. If you want to mute the back panel audio (only supported when using an HD front panel
audio module), refer to Chapter 5, "Conguring 2/4/5.1/7.1-Channel Audio."
• Some chassis provide a front panel audio module that has separated connectors on each wire
instead of a single plug. For information about connecting the front panel audio module that
has different wire assignments, please contact the chassis manufacturer.
Pin No. Denition
1 MIC
2 GND
3 MIC Power
4 NC
5 Line Out (R)
6 NC
7 NC
8 No Pin
9 Line Out (L)
10 NC
11) CD_IN (CD In Connector)
You may connect the audio cable that came with your optical drive to the header.
1
- 25 -Hardware Installation
Pin No. Denition
1 CD-L
2 GND
3 GND
4 CD-R
12) SPDIF_I (S/PDIF In Header)
This header supports digital S/PDIF In and can connect to an audio device that supports digital audio out
via an optional S/PDIF In cable. For purchasing the optional S/PDIF In cable, please contact the local
dealer.
1
Pin No. Denition
1 Power
2 SPDIFI
3 GND
13) SPDIF_O (S/PDIF Out Header)
This header supports digital S/PDIF Out and connects a S/PDIF digital audio cable (provided by expan-
sion cards) for digital audio output from your motherboard to certain expansion cards like graphics cards
and sound cards. For example, some graphics cards may require you to use a S/PDIF digital audio cable
for digital audio output from your motherboard to your graphics card if you wish to connect an HDMI
display to the graphics card and have digital audio output from the HDMI display at the same time. For
information about connecting the S/PDIF digital audio cable, carefully read the manual for your expansion card.
1
Hardware Installation- 26 -
Pin No. Denition
1 SPDIFO
2 GND
14) F_USB1/F_USB2 (USB Headers)
The headers conform to USB 2.0/1.1 specication. Each USB header can provide two USB ports via an
optional USB bracket. For purchasing the optional USB bracket, please contact the local dealer.
Pin No. Denition
9
10
1
2
1 Power (5V)
2 Power (5V)
3 USB DX-
4 USB DY-
5 USB DX+
6 USB DY+
7 GND
8 GND
9 No Pin
10 NC
• Do not plug the IEEE 1394 bracket (2x5-pin) cable into the USB header.
• Prior to installing the USB bracket, be sure to turn off your computer and unplug the power
cord from the power outlet to prevent damage to the USB bracket.
15) CLR_CMOS (Clearing CMOS Jumper)
Use this jumper to clear the CMOS values (e.g. date information and BIOS congurations) and reset
the CMOS values to factory defaults. To clear the CMOS values, place a jumper cap on the two pins to
temporarily short the two pins or use a metal object like a screwdriver to touch the two pins for a few
seconds.
Open: Normal
Short: Clear CMOS Values
• Always turn off your computer and unplug the power cord from the power outlet before clearing the CMOS values.
• After clearing the CMOS values and before turning on your computer, be sure to remove the
jumper cap from the jumper. Failure to do so may cause damage to the motherboard.
• After system restart, go to BIOS Setup to load factory defaults (select Load Optimized De-
faults) or manually congure the BIOS settings (refer to Chapter 2, "BIOS Setup," for BIOS
congurations).
- 27 -Hardware Installation
16) BAT (Battery)
The battery provides power to keep the values (such as BIOS congurations, date, and time information)
in the CMOS when the computer is turned off. Replace the battery when the battery voltage drops to a
low level, or the CMOS values may not be accurate or may be lost.
You may clear the CMOS values by removing the battery:
1. Turn off your computer and unplug the power cord.
2. Gently remove the battery from the battery holder and wait for one
minute. (Or use a metal object like a screwdriver to touch the positive
and negative terminals of the battery holder, making them short for 5
seconds.)
3. Replace the battery.
• Always turn off your computer and unplug the power cord before replacing the battery.
• Replace the battery with an equivalent one. Danger of explosion if the battery is replaced with
an incorrect model.
• Contact the place of purchase or local dealer if you are not able to replace the battery by yourself or uncertain about the battery model.
• When installing the battery, note the orientation of the positive side (+) and the negative side (-)
of the battery (the positive side should face up).
• Used batteries must be handled in accordance with local environmental regulations.
4. Plug in the power cord and restart your computer.
Hardware Installation- 28 -
Chapter 2 BIOS Setup
BIOS (Basic Input and Output System) records hardware parameters of the system in the CMOS on the
motherboard. Its major functions include conducting the Power-On Self-Test (POST) during system startup,
saving system parameters and loading operating system, etc. BIOS includes a BIOS Setup program that
allows the user to modify basic system conguration settings or to activate certain system features. When
the power is turned off, the battery on the motherboard supplies the necessary power to the CMOS to keep
the conguration values in the CMOS.
To access the BIOS Setup program, press the <Delete> key during the POST when the power is turned on.
To see more advanced BIOS Setup menu options, you can press <Ctrl> + <F1> in the main menu of the
BIOS Setup program.
To upgrade the BIOS, use either the GIGABYTE Q-Flash or @BIOS utility.
• Q-Flash allows the user to quickly and easily upgrade or back up BIOS without entering the operating
system.
• @BIOS is a Windows-based utility that searches and downloads the latest version of BIOS from the
Internet and updates the BIOS.
For instructions on using the Q-Flash and @BIOS utilities, refer to Chapter 4, "BIOS Update Utilities."
• Because BIOS ashing is potentially risky, if you do not encounter problems using the current
version of BIOS, it is recommended that you not ash the BIOS. To ash the BIOS, do it with
caution. Inadequate BIOS ashing may result in system malfunction.
• BIOS will emit a beep code during the POST. Refer to Chapter 5, "Troubleshooting," for the beep
codes description.
• It is recommended that you not alter the default settings (unless you need to) to prevent system
instability or other unexpected results. Inadequately altering the settings may result in system's
failure to boot. If this occurs, try to clear the CMOS values and reset the board to default values.
(Refer to the "Load Optimized Defaults" section in this chapter or introductions of the battery/
clearing CMOS jumper in Chapter 1 for how to clear the CMOS values.)
- 29 -BIOS Setup
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